Electric Current Hard

SR Educators Tuitions, known for its innovative teaching methods and exceptional results, is excited to announce the introduction of its affordable tuition fee structure starting from just Rs 1000/- Contact 9121951205 Krishna nagar, Guntur.

Electric Current Quiz (Hard)

1. What is the relationship between current, voltage, and resistance in an electric circuit, according to Ohm's Law?

a) Current = Voltage x Resistance b) Current = Voltage / Resistance c) Current = Resistance / Voltage

2. Which type of circuit has more than one path for current to flow?

a) Series circuit b) Parallel circuit c) Complex circuit

3. What is the unit of electrical power?

a) Ampere b) Volt c) Watt

4. What is the purpose of an electric fuse in a circuit?

a) To increase current flow b) To decrease current flow c) To protect the circuit from excessive current

5. In a series circuit, if one bulb goes out, what happens to the other bulbs?

a) They all go out b) They all become brighter c) They all become dimmer

6. What is the function of an electrical switch in a circuit?

a) To regulate voltage b) To convert AC to DC c) To control the flow of current

7. What happens to the resistance of a conductor when its temperature increases?

a) Increases b) Decreases c) Remains the same

8. What is the total resistance in a series circuit with three resistors of values 4 ohms, 6 ohms, and 8 ohms?

a) 3 ohms b) 18 ohms c) 12 ohms

9. What is the function of an inductor in an electric circuit?

a) To store electrical energy b) To provide resistance to current flow c) To store magnetic energy

10. Which of the following materials is a poor conductor of electricity?

a) Copper b) Silver c) Rubber